cc: Unify namespaces for all test files

cc/solid_color_layer_impl_unittest.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/solid_color_layer_impl.h"
 
 #include "cc/append_quads_data.h"
 #include "cc/single_thread_proxy.h"
 #include "cc/solid_color_draw_quad.h"
 #include "cc/solid_color_layer.h"
 #include "cc/test/fake_impl_proxy.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
 #include "cc/test/layer_test_common.h"
 #include "cc/test/mock_quad_culler.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-using namespace LayerTestCommon;
-
 namespace cc {
 namespace {
 
 TEST(SolidColorLayerImplTest, verifyTilingCompleteAndNoOverlap)
 {
     MockQuadCuller quadCuller;
     gfx::Size layerSize = gfx::Size(800, 600);
     gfx::Rect visibleContentRect = gfx::Rect(gfx::Point(), layerSize);
 
     FakeImplProxy proxy;
     FakeLayerTreeHostImpl hostImpl(&proxy);
     scoped_ptr<SolidColorLayerImpl> layer = SolidColorLayerImpl::create(hostImpl.activeTree(), 1);
     layer->drawProperties().visible_content_rect = visibleContentRect;
     layer->setBounds(layerSize);
     layer->setContentBounds(layerSize);
     layer->createRenderSurface();
     layer->drawProperties().render_target = layer.get();
 
     AppendQuadsData data;
     layer->appendQuads(quadCuller, data);
 
-    verifyQuadsExactlyCoverRect(quadCuller.quadList(), visibleContentRect);
+    LayerTestCommon::verifyQuadsExactlyCoverRect(quadCuller.quadList(), visibleContentRect);
 }
 
 TEST(SolidColorLayerImplTest, verifyCorrectBackgroundColorInQuad)
 {
     SkColor testColor = 0xFFA55AFF;
 
     MockQuadCuller quadCuller;
     gfx::Size layerSize = gfx::Size(100, 100);
     gfx::Rect visibleContentRect = gfx::Rect(gfx::Point(), layerSize);
 
@@ skipping 93 matching lines @@
         AppendQuadsData data;
         layerImpl->appendQuads(quadCuller, data);
 
         ASSERT_EQ(quadCuller.quadList().size(), 1U);
         EXPECT_EQ(gfx::Rect().ToString(), quadCuller.quadList()[0]->opaque_rect.ToString());
     }
 }
 
 }  // namespace
 }  // namespace cc